Energy Transfer

Energy Transfer

1. Types of energy

   • chemical
   • thermal
   • kinetic
   • sound
   • light
   • electrical
   • gravitation potential
   • geothermal
   • elastic potential

2. Energy conversions

   • energy needs to be converted to be useful

3. Energy conservations

   • energy is not created or destroyed in any process

4. Energy diagrams

   • Sankey diagrams:

5. Efficiency

   • efficiency = useful energy output from the system
     • /total energy input to the system

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